The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 15, 2006
Filed:
Jul. 12, 2002
Applicants:
Dennis E. Larson, White Bear Township, MN (US);
Douglas R. Daum, Oakdale, MN (US);
Inventors:
Dennis E. Larson, White Bear Township, MN (US);
Douglas R. Daum, Oakdale, MN (US);
Assignee:
Cardiac Pacemakers, Inc., Saint Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
A61N 1/365 (2006.01);
U.S. Cl.
CPC ...
Abstract
A minute ventilation sensing device in which transthoracic impedance is measured with a excitation current waveform at a specified amplitude and frequency. In order reduce interference with the impedance measurement from external noise sources, a noise detection operation may be performed with the amplitude and/or frequency of the excitation current waveform adjusted accordingly.